Critical severity · published Jun 23, 2026
CVE-2026-44789
n8n: HTTP Request Node Pagination Prototype Pollution to RCE
9.9
CVSS
0.5%
EPSS
No
On KEV
Description
n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n-io
< 1.123.43; >= 2.0.0-rc.0, < 2.20.7; >= 2.21.0, < 2.21.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44789
Mitigation
https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h
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